Table 3.

Model performance for predicting pCR status after neoadjuvant RT and targeted therapy in patients with STS

Model	AUC	95% CI	Sensitivity (%)	Specificity (%)	Accuracy (%)
Pre_Model	0.78	0.410~1	80	88	86.7
Pre_T2_original_shape_Flatness
Post_Model	0.76	0.417~1	80	88	83.3
Post_T1_original_shape_Flatness
Delta_Model	0.92	0.788~1	80	92	83.3
Delta_T1_original_glcm_ClusterShade
Delta_T2_original_glszm_SizeZoneNonUniformity
Combined_Model	0.95	0.874~1.000	100	84	88.7
Pre_T2_original_shape_Flatness
Post_T1_original_shape_Flatness
Delta_T1_original_glcm_ClusterShade
Delta_T2_original_glszm_SizeZoneNonUniformity
AJCC	0.52	0.305~0.743	100	16	56.7
RECIST 1.1	0.52	0.260~0.780	60	44	58.1

AUC, area under the receiver operating characteristic curve; CI, confidence interval; AJCC, American Joint Committee on Cancer; RECIST 1.1, Response Evaluation Criteria in Solid Tumors version 1.1